The Italian Minister of the Navy was a member of the Council Ministers from 1861 until 1947. Under the Kingdom of Italy from 1861 to 1946, the minister oversaw the Regia Marina, and his position was known officially as Ministri della marina del Regno d'Italia, while under the Italian Republic from 1946 to 1947 he oversaw the Marina Militare and was known officially as Ministro per la Marina Militare, the name change becoming official on 13 July 1946. The position was abolished when the Ministry of the Navy merged with the Ministry of Aeronautics and Ministry of War to form the Ministry of Defence in 1947.

The Ministry of the Navy was a ministry of the Kingdom of Italy from 1861 to 1946 and of the Italian Republic from 1946 to 1947. Under the Kingdom of Italy, it oversaw the Regia Marina, while under the Italian Republic, when its name became Ministero della marina militare, it oversaw the Marina Militare. The ministry was abolished in 1947, when it merged with the Ministry of Aeronautics and the Ministry of War to form the Ministry of Defence.